TRANSMISSION LUBRICATION SYSTEMThe large section of the pump pulls oil fromtransmission reservoir (9) and differential reservoir(11) through the magnetic screen filters (12) and(13). The flow of oil from the large section of thepump goes to main reservoir (10). An opening inthe wall between main reservoir (10) and differen-tial reservoir (11) lets extra oil go from main reser-voir (10) to differential reservoir (11).DIRECTION CLUTCH LUBRICATIONThe direction clutches get lubrication oil fromthe main relief valve. The flow of oil goes throughthe center of the forward and reverse clutch shafts.The lubrication of both clutches is the same. Forthe purpose of illustration, the lubrication for theFORWARD clutch is shown.There are three passages connected to the centerpassage of the direction clutch shaft. Passage (4) isused to send oil to the clutch plates for cooling andlubrication. Passage (3) is used for lubrication ofthe taper bearings of the output gear. Passage (2) isused only when the direction clutch is engaged.When the FORWARD direction clutch is engaged,the flow of oil through passages (2) and (4) givesextra lubrication to the direction clutch. When thedirection clutch is not engaged, passage (2) is notin alignment with hole (1) in the piston andpassage (4) is the only passage that gives lubrica-tion to the direction clutch.LUBRICATION FOR TRANSMISSION GEARSThe splines on the input shaft and the flywheeladapter get lubrication from a passage in the centerof the pump drive shaft. The passage in the driveshaft is connected to an opening in the largesection of the pump.SYSTEMS OPERATIONTM 5-3805-263-14&P-22-13
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